FBI says the 1700 Twitter ads sent by RT in 2016, ~22% of which were in some way related to the election are all evidence of Russian election interference....
Of the 1665 tweets promoted by the @RT_com Twitter account, Donald Trump was mentioned 153 times, while Hillary Clinton got 78 mentions — that’s just 13 percent of promoted tweets. Of the 127 tweets paid for by the @RT_America Twitter account, only 38 of them mentioned Trump and 25 mentioned Clinton.
RT's Twitter account has subsequently been banned, reportedly under pressure from the US government.
Here's a sample of the evidence submitted by Schiff: